Adopt openstack client for neutron commands

The neutron client is going to be deprecated during the
Ocata timeframe, so it is time to start switching to the
openstack client to invoke networking commands.

use of neutron client in neutron-legacy has been left as is.

The command for setting the router gateway is left as follow up.

Change-Id: I0a63e03d7d4a08ad6c27f2729fc298322baab397
diff --git a/doc/source/guides/devstack-with-lbaas-v2.rst b/doc/source/guides/devstack-with-lbaas-v2.rst
index 0c439ad..21bea99 100644
--- a/doc/source/guides/devstack-with-lbaas-v2.rst
+++ b/doc/source/guides/devstack-with-lbaas-v2.rst
@@ -66,21 +66,21 @@
     ./stack.sh
     . ./openrc
 
-    neutron net-list  # should show public and private networks
+    openstack network list  # should show public and private networks
 
 Create two nova instances that we can use as test http servers:
 
   ::
 
     #create nova instances on private network
-    nova boot --image $(nova image-list | awk '/ cirros-.*-x86_64-uec / {print $2}') --flavor 1 --nic net-id=$(neutron net-list | awk '/ private / {print $2}') node1
-    nova boot --image $(nova image-list | awk '/ cirros-.*-x86_64-uec / {print $2}') --flavor 1 --nic net-id=$(neutron net-list | awk '/ private / {print $2}') node2
+    nova boot --image $(nova image-list | awk '/ cirros-.*-x86_64-uec / {print $2}') --flavor 1 --nic net-id=$(openstack network list | awk '/ private / {print $2}') node1
+    nova boot --image $(nova image-list | awk '/ cirros-.*-x86_64-uec / {print $2}') --flavor 1 --nic net-id=$(openstack network list | awk '/ private / {print $2}') node2
     nova list # should show the nova instances just created
 
     #add secgroup rules to allow ssh etc..
-    neutron security-group-rule-create default --protocol icmp
-    neutron security-group-rule-create default --protocol tcp --port-range-min 22 --port-range-max 22
-    neutron security-group-rule-create default --protocol tcp --port-range-min 80 --port-range-max 80
+    openstack security group rule create default --protocol icmp
+    openstack security group rule create default --protocol tcp --dst-port 22:22
+    openstack security group rule create default --protocol tcp --dst-port 80:80
 
 Set up a simple web server on each of these instances. ssh into each instance (username 'cirros', password 'cubswin:)') and run